#051838#051838

#051838 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 21.5% C 0.068 H 259.6°. Best body text is #FFFFFF at 17.58:1 contrast (WCAG AA passes).

Color values

HEX	#051838
RGB	rgb(5, 24, 56)
HSL	hsl(218, 84%, 12%)
HSV	hsv(218, 91%, 22%)
CMYK	cmyk(91.1%, 57.1%, 0%, 78%)
CIE-LAB	lab(8.75, 6.53, -23.09)
CIE-LCH	lch(8.75, 24.00, 285.78°)
OKLab	oklab(21.54% -0.0122 -0.0664)
OKLCH	oklch(21.54% 0.068 259.6)
XYZ	xyz(1.1028, 0.9709, 3.8699)
Luminance	0.0097 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#051838 #382505

analogous

#053238 #051838 #0C0538

triadic

#051838 #380518 #183805

tetradic

#051838 #380532 #382505 #05380C

square

#051838 #380532 #382505 #05380C

split-complementary

#051838 #380C05 #323805

monochromatic

#030C1C #030C1C #051838 #0A3070 #0F48A8

Accessibility & contrast

On white

17.58

#051838 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#051838 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #051838

17.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##051838	#FFFFFF	#000000	##FFFFFF
##051838	1.00	17.58	1.19	17.58
#FFFFFF	17.58	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#061B39

Deuteranopia (green-blind)

#001737

Tritanopia (blue-blind)

#002025

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #051838;
/* rgb */ color: rgb(5, 24, 56);
/* oklch */ color: oklch(21.5% 0.068 259.6);

Tailwind

colors: {
  custom: {
    50: '#4e546f',
    500: '#051838',
    950: '#000000',
  },
}

SCSS

$custom: #051838;
$custom-light: #4e546f;
$custom-dark: #000000;

JSON

{
  "hex": "#051838",
  "rgb": {
    "r": 5,
    "g": 24,
    "b": 56
  },
  "hsl": {
    "h": 217.647,
    "s": 83.607,
    "l": 11.961
  },
  "oklch": {
    "l": 0.21542,
    "c": 0.06752,
    "h": 259.6
  },
  "luminance": 0.00971
}

Semantic roles & 50–950 ramp

primary

#051838

secondary

#795820

accent

#AE2EFA

background

#F4F4F6

surface

#E7E7EC

border

#C3C3C7

text

#020207

muted

#78787A

Preview Lab

Preview with #051838

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →